66888248

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16823}}^1$

素因数の和:16907

約数の個数: 32

約数和(自身を含む): 145359360

約数和(自身を除く): 78471112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 16823, 33646, 67292, 117761, 134584, 235522, 471044, 942088, 1194433, 2388866, 4777732, 8361031, 9555464, 16722062, 33444124, 66888248]

約数ペア:

[(1, 66888248), (2, 33444124), (4, 16722062), (7, 9555464), (8, 8361031), (14, 4777732), (28, 2388866), (56, 1194433), (71, 942088), (142, 471044), (284, 235522), (497, 134584), (568, 117761), (994, 67292), (1988, 33646), (3976, 16823)]